pulmonary hypertension pressure rangeshigh pressure in lungshypertension in lungssuprasystemic pulmonary hypertensionpulmonary vein pressureelevated pulmonary pressureincreased pulmonary pressurepulmonary hypertension echocardiogramborderline pulmonary hypertensionnormal pulmonary pressurepulmonary embolism hypertensionhigh pulmonary artery pressure